Originated in Japan, this non-registered cultivar is of unidentified parentage. It is a miniature size hosta with
green wavy foliage. Hostasearch.com says, "Similar to
H. ’Yakushima Mizu’,
the leaves are broader and is a more robust grower.
Rare, for the collectors."
The Hostapedia by Mark Zilis (2009), "This name usually refers to 'Yakushima Mizu'..."
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term mizu as water, 'Mizu Gibōshi' or